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<a class="jxr_linenumber" name="1" href="#1">1</a>   <strong class="jxr_keyword">package</strong> net.big_oh.common.utils;
<a class="jxr_linenumber" name="2" href="#2">2</a>   
<a class="jxr_linenumber" name="3" href="#3">3</a>   <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.assertArrayEquals;
<a class="jxr_linenumber" name="4" href="#4">4</a>   <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.assertEquals;
<a class="jxr_linenumber" name="5" href="#5">5</a>   <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.assertTrue;
<a class="jxr_linenumber" name="6" href="#6">6</a>   
<a class="jxr_linenumber" name="7" href="#7">7</a>   <strong class="jxr_keyword">import</strong> java.util.regex.Pattern;
<a class="jxr_linenumber" name="8" href="#8">8</a>   
<a class="jxr_linenumber" name="9" href="#9">9</a>   <strong class="jxr_keyword">import</strong> net.big_oh.common.utils.RegExpHelper;
<a class="jxr_linenumber" name="10" href="#10">10</a>  
<a class="jxr_linenumber" name="11" href="#11">11</a>  <strong class="jxr_keyword">import</strong> org.junit.Test;
<a class="jxr_linenumber" name="12" href="#12">12</a>  
<a class="jxr_linenumber" name="13" href="#13">13</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../net/big_oh/common/utils/RegExpHelperTest.html">RegExpHelperTest</a>
<a class="jxr_linenumber" name="14" href="#14">14</a>  {
<a class="jxr_linenumber" name="15" href="#15">15</a>  
<a class="jxr_linenumber" name="16" href="#16">16</a>  	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String regExpPattern = <span class="jxr_string">"a*b"</span>;
<a class="jxr_linenumber" name="17" href="#17">17</a>  	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String sourceString = <span class="jxr_string">"aaaaabbbbbbaaaaabbb"</span>;
<a class="jxr_linenumber" name="18" href="#18">18</a>  	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String replacement = <span class="jxr_string">"c"</span>;
<a class="jxr_linenumber" name="19" href="#19">19</a>  
<a class="jxr_linenumber" name="20" href="#20">20</a>  	@Test
<a class="jxr_linenumber" name="21" href="#21">21</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testReplaceFirst()
<a class="jxr_linenumber" name="22" href="#22">22</a>  	{
<a class="jxr_linenumber" name="23" href="#23">23</a>  		assertEquals(sourceString.replaceFirst(regExpPattern, replacement), RegExpHelper.replaceFirst(sourceString, regExpPattern, replacement));
<a class="jxr_linenumber" name="24" href="#24">24</a>  		
<a class="jxr_linenumber" name="25" href="#25">25</a>  		<em class="jxr_comment">// test for meta character processing</em>
<a class="jxr_linenumber" name="26" href="#26">26</a>  		assertEquals(<span class="jxr_string">"foo-$-bar"</span>, RegExpHelper.replaceFirst(<span class="jxr_string">"foo?bar"</span>, <span class="jxr_string">"&#92;&#92;?"</span>, <span class="jxr_string">"-$-"</span>));
<a class="jxr_linenumber" name="27" href="#27">27</a>  		
<a class="jxr_linenumber" name="28" href="#28">28</a>  	}
<a class="jxr_linenumber" name="29" href="#29">29</a>  
<a class="jxr_linenumber" name="30" href="#30">30</a>  	@Test
<a class="jxr_linenumber" name="31" href="#31">31</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testReplaceAll()
<a class="jxr_linenumber" name="32" href="#32">32</a>  	{
<a class="jxr_linenumber" name="33" href="#33">33</a>  		assertEquals(sourceString.replaceAll(regExpPattern, replacement), RegExpHelper.replaceAll(sourceString, regExpPattern, replacement));
<a class="jxr_linenumber" name="34" href="#34">34</a>  		
<a class="jxr_linenumber" name="35" href="#35">35</a>  		<em class="jxr_comment">// test for meta character processing</em>
<a class="jxr_linenumber" name="36" href="#36">36</a>  		assertEquals(<span class="jxr_string">"-$-foo-$-bar-$-"</span>, RegExpHelper.replaceAll(<span class="jxr_string">"?foo?bar?"</span>, <span class="jxr_string">"&#92;&#92;?"</span>, <span class="jxr_string">"-$-"</span>));
<a class="jxr_linenumber" name="37" href="#37">37</a>  	}
<a class="jxr_linenumber" name="38" href="#38">38</a>  
<a class="jxr_linenumber" name="39" href="#39">39</a>  	@Test
<a class="jxr_linenumber" name="40" href="#40">40</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMatches()
<a class="jxr_linenumber" name="41" href="#41">41</a>  	{
<a class="jxr_linenumber" name="42" href="#42">42</a>  		assertEquals(sourceString.matches(regExpPattern), RegExpHelper.matches(sourceString, regExpPattern));
<a class="jxr_linenumber" name="43" href="#43">43</a>  	}
<a class="jxr_linenumber" name="44" href="#44">44</a>  
<a class="jxr_linenumber" name="45" href="#45">45</a>  	@Test
<a class="jxr_linenumber" name="46" href="#46">46</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSplitString()
<a class="jxr_linenumber" name="47" href="#47">47</a>  	{
<a class="jxr_linenumber" name="48" href="#48">48</a>  		assertArrayEquals(sourceString.split(regExpPattern), RegExpHelper.split(sourceString, regExpPattern));
<a class="jxr_linenumber" name="49" href="#49">49</a>  		assertArrayEquals(sourceString.split(regExpPattern, 1), RegExpHelper.split(sourceString, regExpPattern, 1));
<a class="jxr_linenumber" name="50" href="#50">50</a>  	}
<a class="jxr_linenumber" name="51" href="#51">51</a>  
<a class="jxr_linenumber" name="52" href="#52">52</a>  	@Test
<a class="jxr_linenumber" name="53" href="#53">53</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPerformance()
<a class="jxr_linenumber" name="54" href="#54">54</a>  	{
<a class="jxr_linenumber" name="55" href="#55">55</a>  
<a class="jxr_linenumber" name="56" href="#56">56</a>  		<strong class="jxr_keyword">int</strong> numTimes = 100000;
<a class="jxr_linenumber" name="57" href="#57">57</a>  
<a class="jxr_linenumber" name="58" href="#58">58</a>  		<strong class="jxr_keyword">long</strong> begin1 = System.currentTimeMillis();
<a class="jxr_linenumber" name="59" href="#59">59</a>  		<strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; numTimes; i++)
<a class="jxr_linenumber" name="60" href="#60">60</a>  		{
<a class="jxr_linenumber" name="61" href="#61">61</a>  			sourceString.matches(regExpPattern);
<a class="jxr_linenumber" name="62" href="#62">62</a>  		}
<a class="jxr_linenumber" name="63" href="#63">63</a>  		<strong class="jxr_keyword">long</strong> duration1 = System.currentTimeMillis() - begin1;
<a class="jxr_linenumber" name="64" href="#64">64</a>  
<a class="jxr_linenumber" name="65" href="#65">65</a>  		<strong class="jxr_keyword">long</strong> begin2 = System.currentTimeMillis();
<a class="jxr_linenumber" name="66" href="#66">66</a>  		Pattern p = Pattern.compile(regExpPattern);
<a class="jxr_linenumber" name="67" href="#67">67</a>  		<strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; numTimes; i++)
<a class="jxr_linenumber" name="68" href="#68">68</a>  		{
<a class="jxr_linenumber" name="69" href="#69">69</a>  			p.matcher(sourceString).matches();
<a class="jxr_linenumber" name="70" href="#70">70</a>  		}
<a class="jxr_linenumber" name="71" href="#71">71</a>  		<strong class="jxr_keyword">long</strong> duration2 = System.currentTimeMillis() - begin2;
<a class="jxr_linenumber" name="72" href="#72">72</a>  
<a class="jxr_linenumber" name="73" href="#73">73</a>  		assertTrue(duration2 &lt; duration1);
<a class="jxr_linenumber" name="74" href="#74">74</a>  
<a class="jxr_linenumber" name="75" href="#75">75</a>  	}
<a class="jxr_linenumber" name="76" href="#76">76</a>  
<a class="jxr_linenumber" name="77" href="#77">77</a>  }
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